Every year between the ages of 25 and 60, the physically inactive male will lose muscle mass and muscle strength at a rate of 0.5 percent and although this number may seem low, it adds up quickly. After the age of 60, male muscle loss doubles to about 1 percent every year. After 70, muscle mass and muscle strength declines by 2percent every year. This doubling continues every ten years until death.
Definition of intestine : the tubular part of the digestive tract that extends from the stomach to the anus â compare large intestine, small intestine See intestine defined for English-language learners
The small intestine or small bowel is the part of the gastrointestinal tract between the stomach and the large intestine, and is where much of the digestion and absorption of food takes place. The small intestine has three distinct regions â the duodenum, jejunum, and ileum.